"It’s very important for kids who are 6 months to 2 years to get that, they are the ones most likely to have complications. But also kids that are in school, kids that are in daycare, so that’s pretty much most children from age 2 all the way up. It's important for them to get the vaccination as well because they're the most exposed," said Raizman.

Centers for Disease Control records show there were 830 pediatric flu-related deaths between October 2004 and September 2012.

Among the children who died, their average age was 7, about 40 precent of the children had no high-risk medical conditions, and 35 percent of them died before being admitted to the hospital.

Researchers said influenza can be fatal in children with or without risk factors and their best defense is to be vaccinated.

Raizman agreed and said it's important for all kids, even those who aren't in school, to get the flu vaccine.

"Even children who are home-schooled or not in daycare and parents don’t think they have a lot of exposure, just in their daily lives going to the grocery store, going out to play at the playground still they’re going to get exposed," said Raizman.